... generic chemical structure 族性化学结构 specific chemical structure 族性化学结构 presumed chemical structure 推定的化学结构式 ...
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non-specific chemical structure 非确定性化学结构
The specific chemical structure should be analyzed and identified ulteriorly.
具体的化学结构还有待于进一步分析鉴定。
False. There is no difference. A vitamin has the same properties and specific chemical structure whether made in a laboratory or taken from plant or animal parts.
错误。没有区别，不管是在实验室制造的还是从动植物身上提取出来的维生素，其性质和具体的化学结构都一样。
The chemical modification of PHB can get PHB copolymer with specific structure by molecule design and has more advantages than physical blending. The PHB copolymer c…
PHB化学改性可通过分子设计合成特定结构的PHB 共聚物，具有物理共混无法比拟的优势，特别是在组织工程领域有着广泛的应用前景。
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